| .TH IM_HIST 3 "10 May 1991" |
| .SH NAME |
| im_hist \- create a displayable histogram from an image |
| .SH SYNOPSIS |
| .B #include <vips/vips.h> |
| |
| .B int im_hist( in, plotofhist, bandno ) |
| .br |
| .B IMAGE *in, *plotofhist; |
| .br |
| .B int bandno; |
| .SH DESCRIPTION |
| .B im_hist() |
| creates a displayable histogram file for the image held by the image |
| descriptor |
| .B in. |
| The created displayable histogram is held in the IMAGE |
| descriptor |
| .B plotofhist. |
| If |
| .B bandno |
| == -1 a displayable histogram of all input bands |
| is created else the histogram of bandno only is created. |
| |
| See |
| .B im_histplot(3) |
| for rules on the size and scaling og the result. |
| |
| .SH RETURN VALUE |
| All functions returns 0 on success and -1 on error. |
| .SH SEE\ ALSO |
| im_histgr(3), im_histplot(3). |
| .SH COPYRIGHT |
| N. Dessipris |
| .SH AUTHOR |
| N. Dessipris \- 10/05/1991 |
